25447960

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6299}}^1$

素因数の和:6411

約数の個数: 32

約数和(自身を含む): 57834000

約数和(自身を除く): 32386040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 6299, 12598, 25196, 31495, 50392, 62990, 125980, 251960, 636199, 1272398, 2544796, 3180995, 5089592, 6361990, 12723980, 25447960]

約数ペア:

[(1, 25447960), (2, 12723980), (4, 6361990), (5, 5089592), (8, 3180995), (10, 2544796), (20, 1272398), (40, 636199), (101, 251960), (202, 125980), (404, 62990), (505, 50392), (808, 31495), (1010, 25196), (2020, 12598), (4040, 6299)]